CHORYO CONTROL SYSTEM CO., LTD
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 Corporate Information

Corporate data
Name of company Choryo Control System Co., Ltd.
Established December 1st, 1984
Capitals 40 million yen
President and CEO Toshiaki Teshima
Banks Bank of Tokyo-Mitsubishi UFJ, The Eighteenth Bank, The SHINWABANK
Address of Headquarters 1-1, Akunoura-machi, Nagasaki 850-8610, Japan
Number of employees 239 (as of August 1st, 2009)

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Corporate history 
December 1984 Choryo Control System Co., Ltd. established (invested 100% by Mitsubishi Heavy Industries, Ltd.), to develop the softwares of power plant control system and operate and adjust
June 1985 Started production of control cabinets
October 1992 Started production of print substrates
April 1993 Opened control cabinet and substrate production shop in the Electronics Shop of Mitsubishi Heavy Industries
June 1995 Expanded the designing room in the annex of Electronics Shop of Mitsubishi Heavy Industries
July 1995 Acquired the qualification of ISO 9001 (DNV) as the control system shop for Mitsubishi Heavy Industries, Co., Ltd. Nagasaki Shipyard & Machinery Works
July 1998 Acquired the qualification of ISO 9001 (DNV) for the company's products independently.
November 2002 Shifted the ISO 9001 qualifications to 2000 version.
October 2005 Acquired the qualification of ISO 14001 (DNV) as the shop for Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard & Machinery Works
February 2007 Acquired the quality contest ISO 27001(ISMS) by DNV.
August 2008 Established an engineering branch in MHI Takasago.

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Partners in business
Mitsubishi Heavy Industries, Ltd. Nagasaki Shipyard & Machinery Works
Mitsubishi Heavy Industries, Ltd. Takasago Machinery Works
Mitsubishi Heavy Industries, Ltd. Yokohama Dockyard & Machinery Works
Mitsubishi Heavy Industries, Ltd. Environ Mental & Chemical Plant Rivision.
Mitsubishi Heavy Industries, Ltd. Transportation Systems & Advanced Dechnology Rivision.
Mitsubishi Heavy Industries Parking Co., Ltd.
Mitsubishi Heavy Industries Environmental & Chemical Engineering co, Ltd. All Rights Reserved.
Mitsubishi Heavy Industries Mechatronics Systems, Ltd. All Rights Reserved.
MDS Co., Ltd.
MHI Marine Engineering, Ltd.
Shonan Monorail Co., Ltd.
Nippon Steel Corporation
Jpec Co., Ltd.
J-Power Entech, Inc.
T-net Japan Co.
Okazaki Manufacturing Company
Japan Chiken Co.
Institute of Slope Technology
Sasakura Engineering Co., Ltd.
Daiki Ataka Engineering Co., Ltd.
Ebara Engineering Service Co., Ltd.
Iki District Office of Nagasaki Prefectural Government
Oseto civil work construction office of Nagasaki Prefectural Government
Nagasaki Prefecture Road Corporation
Nagasaki Civil Work Construction Office of Nagasaki Prefectural Government
North Promotion Office of Nagasaki Prefectural Government
Industrial Technology Center of Nagasaki
Nagasaki City
POSCON JAPAN Co., Ltd.
Cegelec(FRANCE)

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Choryo Control System Co., Ltd. 1-1 Akunoura-machi, Nagasaki Tel 095-862-0623 Fax 095-828-7740
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